Bike support plank



FIG. 1 is a front, left, top, isometric perspective view of a bike support plank in accordance with my design;

FIG. 2 is a front, right, top, isometric perspective view thereof of the bike support plank shown in FIG. 1 ;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is an enlarged right end elevation view of the bike support plank shown in FIG. 2 ; and,

FIG. 8 is an enlarged left end elevation view thereof. 

CLAIM The ornamental design for a bike support plank, as shown and described. 